CN203293124U - Hydraulic support upright pull-out device - Google Patents
Hydraulic support upright pull-out device Download PDFInfo
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- CN203293124U CN203293124U CN2013203115188U CN201320311518U CN203293124U CN 203293124 U CN203293124 U CN 203293124U CN 2013203115188 U CN2013203115188 U CN 2013203115188U CN 201320311518 U CN201320311518 U CN 201320311518U CN 203293124 U CN203293124 U CN 203293124U
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- column
- hydraulic support
- pulling
- block
- spill spin
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Abstract
The utility model discloses a hydraulic support upright pull-out device which comprises an engine base and a walking block. A rack is fixedly arranged on the engine base; the walking block is matched with the engine base in a sliding mode and arranged above the engine base; a motor is fixedly arranged on the walking block; an output shaft of the motor is connected with a speed reducer; a gear wheel is connected with an output shaft of the speed reducer; the gear wheel is meshed with the rack; the walking block is connected with an upright of a hydraulic support. According to the hydraulic support upright pull-out device, the motor is arranged to drive the gear wheel to move on the rack so that the walking block can be driven to move, the upright and a middle cylinder can be dragged, and the upright and the middle cylinder can be separated from an outer cylinder. Compared with a pull-out device in the prior art, the hydraulic support upright pull-out device is simpler in structure and lower in cost.
Description
Technical field
The utility model relates to hydraulic support maintenance frock structure technology, relates in particular to a kind of hydraulic support column pulling off device.
Background technology
Hydraulic support is the support apparatus of colliery mining face under mine, and its Main Function is supporting roof, the maintenance safe working space.Column assembly is Hydraulic Elements important on hydraulic support, be used to bearing roof toad, regulates support height.
Column assembly mainly is comprised of column, middle cylinder and outer shell.Middle cylinder sleeve is connected in outer shell, and upright post sleeve is connected in middle cylinder, when column assembly lost efficacy, and need to be by column and middle cylinder from outer shell, taking out, to keep in repair.
Existing pulling off device has two kinds: as shown in Figure 1, the first is to pass into highly pressurised liquid from the bottom of outer shell 1, utilizes cylinder 2 in the highly pressurised liquid promotion, makes middle cylinder 2 break away from together outer shell 1 with column 3.Then therefrom the bottom of cylinder 2 passes into highly pressurised liquid, utilizes highly pressurised liquid to promote column 3, and column 3 is therefrom deviate from cylinder 2.The defect of the method is: central cylinder 2 is when deviating from outer shell 1, or when column 3 was therefrom deviate from cylinder 2, highly pressurised liquid easily ejected, the injury staff.And highly pressurised liquid can't reclaim, and causes waste.
As shown in Figure 2, the second is to utilize the contraction of hydraulic cylinder 5 to pull out middle cylinder 2 and column 3, because column 3 is tighter with coordinating of outer shell 1 with respect to middle cylinder 2 with coordinating of middle cylinder 2, while therefore pulling column 3, can make column 3 and middle cylinder 2 jointly from outer shell 1, deviating from.Fixed claw 4 is set and with column 3, is connected, the expansion link of hydraulic cylinder 5 shrinks and pulls column 3, thereby takes out column 3 and middle cylinder 2.The defect of the method is: adopt hydraulic cylinder supporting Hydraulic Station must be set as power source, fault rate and cost are all higher, to production and transport, bring obstacle.
The utility model content
The utility model provides a kind of hydraulic support column pulling off device, to solve defect of the prior art, makes the safe of production and transport, reduces costs.
The utility model provides a kind of hydraulic support column pulling off device, wherein, comprising:
Support, be fixedly installed tooth bar on described support;
The walking piece, be slidably matched with described support, and be arranged on described support top; On described walking piece, be fixedly installed motor, the output shaft of described motor is connected with reductor, and the output shaft of described reductor is connected with gear, described gear and the engagement of described tooth bar;
Described walking piece is connected with the column of hydraulic support.
Hydraulic support column pulling off device as above, wherein, preferably: described walking piece is provided with holder towards a side of described column, on described holder, is provided with slideway;
Described hydraulic support column pulling off device also comprises spill spin block, and the first end of described spill spin block is connected in described slideway, and the second end of described spill spin block is fixedly connected with described column.
Hydraulic support column pulling off device as above, wherein, preferably: the second end of described spill spin block is fixedly connected with described column by fixed claw, and the first end of described fixed claw is by described spill spin block clamping, the described column of the second end clamping of described fixed claw.
Hydraulic support column pulling off device as above, wherein, preferably: the second end of described fixed claw is provided with bearing pin, on described column, is provided with installing hole, and described bearing pin matches described fixed claw and described column is fixed with described installing hole.
Hydraulic support column pulling off device as above, is characterized in that, also comprises block and limited block, and described block is fixedly installed on described support, and described limited block is set on the middle cylinder of hydraulic support.
Hydraulic support column pulling off device as above, wherein, preferably: the main body of described limited block is the circular of ladder, on described limited block, is provided with the blocked ear that stretches out.
The hydraulic support column pulling off device that the utility model provides moves on tooth bar by motor-driven gear is set, and drives the motion of walking piece, with traction column and middle cylinder, makes column and middle cylinder from outer shell, deviating from.With the pulling off device of prior art, compare, the hydraulic support column pulling off device structure that the present embodiment provides is simpler, and cost is lower.
The accompanying drawing explanation
Fig. 1 is the pulling off device schematic diagram that in prior art, the first is pulled out column and middle cylinder;
Fig. 2 is the pulling off device schematic diagram that in prior art, the second is pulled out column and middle cylinder;
The hydraulic support pillar pulling off device structural representation that Fig. 3 provides for the utility model embodiment;
The hydraulic support pillar pulling off device front view that Fig. 4 provides for the utility model embodiment;
The hydraulic support pillar pulling off device top view that Fig. 5 provides for the utility model embodiment;
Fig. 6 is wheel and rack matching relationship schematic diagram;
Fig. 7 is the spill spin block structural representation;
Fig. 8 is spacing block structure schematic diagram.
The specific embodiment
The utility model embodiment provides a kind of hydraulic support column pulling off device, for the column 3 by column assembly and middle cylinder 2 from outer shell, pulling out.
As shown in Figures 3 to 5, this pulling off device comprises support 6 and walking piece 8, on support 6, be fixedly installed tooth bar 7, walking piece 8 is slidably matched with support 6, on walking piece 8, be fixedly installed motor 10, the output shaft of motor 10 is connected with the reductor (not shown), and the output shaft of reductor is connected with gear 9, gear 9 is meshed with above-mentioned tooth bar 7, as shown in Figure 6.Walking piece 8 is connected with the column 3 of hydraulic support.It will be appreciated by those skilled in the art that: the sliding matching mode of walking piece 8 and support 6 can have multiple, preferably, in the both sides of walking piece 8, processes chute, and support 6 can be slided in chute.
In the present embodiment, the model of motor is Y132S-4-5.5B5, and this motor is common asynchronous machine, and power is 5.5W, and rotating speed is 1460r/min.The model of reductor is S97-Y5.5-4P-166.62-M5, and speed reducing ratio is 166.62.Module m=7.5, tooth number Z=42.Between motor and speed reducer, the friction-type limiter of moment can be set, moment is 36Nm.If the column corrosion, can't pull column after starter motor, if the moment of limiter of moment surpasses 36Nm, limiter of moment can skid automatically, thereby can better protect motor, avoids the motor damage because transship.
Preferably, at walking piece 8, towards a side of column 3, be provided with holder 11, on holder 11, be provided with slideway 12, the hydraulic support column pulling off device that the present embodiment provides also comprises spill spin block 13, referring to Fig. 3 and Fig. 7, the quantity of slideway 12 is two, is oppositely arranged on holder 11, the first end 131 of spill spin block 13 is connected in this slideway 12, and the second end 132 is fixedly connected with column 3.The first end 131 of spill spin block is round table-like, can in slideway 12, move up and down and around self central shaft rotation, thereby can adjust the position of spill spin block 13 second ends 132, make the second end 132 of spill spin block can find the Best link point with column 3, make farthest under tension of column 3.In addition, spill spin block 131 can slide up and down with respect to slideway 12, so can be applicable to multiple bore size, to aim at the centre-height of different cylinder diameters, range of application is wider.
Further, the second end 132 of spill spin block 13 is connected with column 3 by fixed claw 14.As shown in Figure 3 and Figure 7, the second end 132 of spill spin block is provided with opening, and the first end of fixed claw 14 is rotated piece 13 by this opening and grips, and the second end of fixed claw 14 is provided with forked portion, forked portion clamping column 3.Preferably, on the forked portion of fixed claw 14 second ends, be provided with bearing pin 15, on column 3, be provided with installing hole, by coordinating of bearing pin 15 and installing hole, column 3 is fixedly connected with fixed claw 14.
On the basis of above-described embodiment, this pulling off device also comprises block 16 and limited block 17, and block 16 is fixedly installed on support 6, as shown in Figure 3 and Figure 4, block 16 is fixedly installed on support 6, and quantity is two, and limited block 17 is set on the middle cylinder 2 of hydraulic support.After starter motor 10, column 3 and middle cylinder 2 are along with gear 9 motions, and when moving to the position of block 16, limited block 17 contacts and supports with block 16, and outer shell 1 is blocked, and prevents that outer shell 1 is along with column 3 and middle cylinder 2 move together.
The shape of limited block 17 is not limit, as long as can keep out the movement of outer shell 1.A kind of implementation is: as shown in Figure 8, the main body of limited block 17 is the circular of ladder, and on limited block 17, is provided with the blocked ear 171 that stretches out, be used to limiting the movement of outer shell 1.The internal diameter of limited block 17 and middle cylinder 2 are matched in clearance, and the external diameter of limited block 17 is greater than the external diameter of outer shell 1.
The hydraulic support column pulling off device that the utility model embodiment provides moves on tooth bar by motor-driven gear is set, and drives the motion of walking piece, with traction column and middle cylinder, makes column and middle cylinder from outer shell, deviating from.With the pulling off device of prior art, compare, the hydraulic support column pulling off device structure that the present embodiment provides is simpler, and cost is lower.
Finally it should be noted that: above embodiment only, in order to the technical solution of the utility model to be described, is not intended to limit; Although with reference to previous embodiment, the utility model is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme that aforementioned each embodiment puts down in writing, or part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the scope of each embodiment technical scheme of the utility model.
Claims (6)
1. a hydraulic support column pulling off device, is characterized in that, comprising:
Support, be fixedly installed tooth bar on described support;
The walking piece, be slidably matched with described support, and be arranged on described support top; On described walking piece, be fixedly installed motor, the output shaft of described motor is connected with reductor, and the output shaft of described reductor is connected with gear, described gear and the engagement of described tooth bar;
Described walking piece is connected with the column of hydraulic support.
2. hydraulic support column pulling off device according to claim 1, it is characterized in that: described walking piece is provided with holder towards a side of described column, on described holder, is provided with slideway;
Described hydraulic support column pulling off device also comprises spill spin block, and the first end of described spill spin block is connected in described slideway, and the second end of described spill spin block is fixedly connected with described column.
3. hydraulic support column pulling off device according to claim 2, it is characterized in that: the second end of described spill spin block is fixedly connected with described column by fixed claw, the first end of described fixed claw is by described spill spin block clamping, the described column of the second end clamping of described fixed claw.
4. hydraulic support column pulling off device according to claim 3, it is characterized in that: the second end of described fixed claw is provided with bearing pin, on described column, be provided with installing hole, described bearing pin matches described fixed claw and described column is fixed with described installing hole.
5. according to claim 1-4 arbitrary described hydraulic support column pullings off device, is characterized in that, also comprise block and limited block, described block is fixedly installed on described support, and described limited block is set on the middle cylinder of hydraulic support.
6. hydraulic support column pulling off device according to claim 5, it is characterized in that: the main body of described limited block is the circular of ladder, on described limited block, is provided with the blocked ear that stretches out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203115188U CN203293124U (en) | 2013-05-31 | 2013-05-31 | Hydraulic support upright pull-out device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203115188U CN203293124U (en) | 2013-05-31 | 2013-05-31 | Hydraulic support upright pull-out device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203293124U true CN203293124U (en) | 2013-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203115188U Expired - Lifetime CN203293124U (en) | 2013-05-31 | 2013-05-31 | Hydraulic support upright pull-out device |
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| CN (1) | CN203293124U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104677614A (en) * | 2015-02-15 | 2015-06-03 | 江苏师范大学 | Hydraulic bracket vertical column test loading table and loading method |
| CN108907665A (en) * | 2018-07-27 | 2018-11-30 | 淮南国力液压装备有限公司 | A kind of column scuffing of cylinder bore machine |
-
2013
- 2013-05-31 CN CN2013203115188U patent/CN203293124U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104677614A (en) * | 2015-02-15 | 2015-06-03 | 江苏师范大学 | Hydraulic bracket vertical column test loading table and loading method |
| CN108907665A (en) * | 2018-07-27 | 2018-11-30 | 淮南国力液压装备有限公司 | A kind of column scuffing of cylinder bore machine |
| CN108907665B (en) * | 2018-07-27 | 2020-06-16 | 淮南国力液压装备有限公司 | Cylinder drawing machine for upright column |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131120 |